Satellite images show mangrove forests are now expanding after decades of decline

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A drone view shows Raposa mangroves that serve both as a critical tool against climate change and an economic lifeline for thousands of families who earn their livelihoods through fishing, gathering, eco-tourism, and beekeeping, in Maranhao state, Brhttps://i.cbc.ca/ais/3aca45c6-f1dc-445f-bc7e-ff0a8598ccec,1780948724801/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C231%2C4434%2C2494%29%3BResize%3D%28620%29" title="A drone view shows Raposa mangroves that serve both as a critical tool against climate change and an economic lifeline for thousands of families who earn their livelihoods through fishing, gathering, eco-tourism, and beekeeping, in Maranhao state, Brazil May 2, 2025.

REUTERS/Adriano Machado" width="620" />

After decades of decline from human development and extreme weather, the world's mangroves are growing again, according to a surprising new study looking at satellite images of coastal forests.

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